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Finding the Fourth Proportional to 493,354.60, 680,829.40 and 267,000.10

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Solution

The fourth proportional to 493,354.60, 680,829.40 and 267,000.10 is: 368,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,354.60 : 680,829.40 = 267,000.10 : x
  2. Step 2: Convert to fraction form
    493,354.60/680,829.40 = 267,000.10/x
  3. Step 3: Cross multiply
    493,354.60x = 680,829.40 × 267,000.10
  4. Step 4: Simplify right side
    493,354.60x = 181,781,517,882.94
  5. Step 5: Solve for x
    x = 181,781,517,882.94/493,354.60
  6. Step 6: Final answer
    x = 368,460.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.